Patents by Inventor Yon-hyeon Jeong

Yon-hyeon Jeong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20090129282
    Abstract: Provided are a method and an apparatus for periodically measuring speech quality in a voice over Internet protocol (VoIP) terminal while a VoIP call between VoIP terminals is in progress. The method comprises: receiving summary information regarding traffic sent from an opposite VoIP terminal; and evaluating speech quality by comparing the summary information with actually received information regarding the traffic sent from the opposite VoIP. Accordingly, each VoIP terminal can precisely evaluate the speech quality periodically and send the evaluation result to each other.
    Type: Application
    Filed: July 30, 2008
    Publication date: May 21, 2009
    Inventors: Byung-joon Lee, Seung-hyun Yoon, Hyung-seok Chung, Sun-me Kim, Ki-won Kim, Byeong-sik Kim, Hyun-soon Nam, Han-sol Park, In-sang Choi, Tae-hyun Kwon, Yon-hyeon Jeong